Tough Mudder's 10-12 mile military-style obstacle course is about much more than overcoming on-course obstacles-- it's a chance for people around the world to test their fitness while bonding with friends and fellow Mudders and overcoming physical, mental and personal obstacles along the way.

Wow. Just wow. This past weekend, Mudders the globe over answered the international call of camaraderie to commemorate Global Mudder--Tough Mudder’s most epic weekend in our half-decade history.

So just how epic is EPIC? In just 48 hours, the number of worldwide Mudders who crossed our finish line would be able to fill three Madison Square Gardens. That’s right. Three. But the shocking facts, figures and findings don’t stop there. For the skinny on Global Mudder, check out our Global Mudder By the Numbers infographic.

Tough Mudder's 10-12 mile military-style obstacle course is about much more than overcoming on-course obstacles-- it's a chance for people around the world to test their fitness while bonding with friends and fellow Mudders and overcoming physical, mental and personal obstacles along the way.

This month, there’s little doubt Mudders put the May in mayhem. From the sunshine of Central Texas to the side-winding trails of Topeka; midway madness in Chicago to one of the muddiest Mudders in history in Ohio, a brave new wave of Mudders was initiated into Mudder Legion.

And in honor of your efforts, we’ve combed through thousands of photos in our eight May photo albums to bring you this month’s most awesome mud-coated memories.

Tough Mudder's 10-12 mile military-style obstacle course is about much more than overcoming on-course obstacles-- it's a chance for people around the world to test their fitness while bonding with friends and fellow Mudders and overcoming physical, mental and personal obstacles along the way.

Tough Mudder's 10-12 mile military-style obstacle course is about much more than overcoming on-course obstacles-- it's a chance for people around the world to test their fitness while bonding with friends and fellow Mudders and overcoming physical, mental and personal obstacles along the way.

In honor of 2 Million Mudders crossing our finish line, throughout the month of August, we'll be highlighting the personal fundraising efforts of inspiring Mudders. To learn more about running and raising for charity, visit our official 2 Million Mudders page.

They say a picture’s worth a thousand words. But look at any photo of Kai Madden running a recent Tough Mudder and a thousand questions probably come to mind.

We’re havin’ a 60,000 person costume party this weekend, and guess what? You’re on the guest list.

In case you haven’t heard, we’re celebrating Global Mudder this weekend, hosting five events in four countries from the Sunshine Coast of Australia to the shores of Lake Tahoe. And while you won’t find any of us lined up behind velvet ropes around town, we do have a dress for this special occasion.

For this weekend only, we’re offering up a grand prize for best costume of the weekend. And here’s how you’ll bring it home:

Tough Mudder's 10-12 mile military-style obstacle course is about much more than overcoming on-course obstacles-- it's a chance for people around the world to test their fitness while bonding with friends and fellow Mudders and overcoming physical, mental and personal obstacles along the way.